Transcript SU_Term 1_Week 10_Da..

Objective:
• Divide by 2, 4, 5 and 10 and give the answer as
a decimal.
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Stepping Up Term 1
Week 10 Day 3
£41
If this was split between 4 children
how much would they get each?
£41
Half of £41.00
We often need to give
answers as decimals
when using money…
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£10.25 £10.25
£10.25
£10.25
£20.50
Half again
Stepping Up Term 1
£10.25
Week 10 Day 3
£41
What if it is split
between 5 children?
£41 ÷ 5 = ?
So
Remember that division is multiplication with holes…
x 5 = £41
£8 x 5 = £40
£1
20p x 5 = £1
start with what you know
what is left?
don’t forget we’re using money
£41 ÷ 5 =
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Stepping Up Term 1
Week 10 Day 3
£44 ÷ 5
Start by dividing £40 by 5 (£8 each).
Then divide the remaining £4 into 5.
£4 is 400 pence so that is 80p each.
or
= £8.80
Divide by 10 to get £4.40,
then double to get £8.80.
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Stepping Up Term 1
Week 10 Day 3
£31 ÷ 4
£34 ÷ 4
Have a go at these with a partner…
£31 ÷ 5
£34 ÷ 5
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Stepping Up Term 1
Week 10 Day 3
Discuss in pairs how you would work out each,
to give a decimal answer.…
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Stepping Up Term 1
Week 10 Day 3
34 ÷ 4 = 8 r2
remainder 2, with a divisor of 4
2/
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4 is a half, or 0.5
Stepping Up Term 1
Week 10 Day 3
38 ÷ 5 = 7 r3
remainder 3, with a divisor of 5
3/
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5
6
is equivalent to /
Stepping Up Term 1
10 or 0.6
Week 10 Day 3
17 ÷ 4 £21 ÷ 2
35 ÷ 10
Solve the
problems on one
of these two
boards.
39 ÷ 5 £29 ÷ 4
Give your
answers as
decimals.
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£46 ÷ 4 71 ÷ 2
£39 ÷ 5 106 ÷ 10
5
Stepping Up Term 1
52 ÷
Week 10 Day 3